Automated arthoplasty planning with maching learning

Abstract

A surgical planning system for planning a surgery based on experience of a historical user is provided that includes a computer operatively coupled to a display for displaying a graphical user interface (GUI) and a processor configured to execute the planning software. The computer or the software generate surgical plans based on the set of characteristics of the bone image and the recognized patterns of the planning model corresponding to experience of the first historical user. A computerized method for defining implant positioning data relative to a bone image or evaluating the surgical plans are also provided. A method of performing surgery on a subject is also provided according to a so developed surgical plan.

1 . A surgical planning system for planning a surgery based on experience of a historical user, the system comprising:
 a computer operatively coupled to a display for displaying a graphical user interface (GUI) and a processor configured to execute the planning software operative to:
 receive a bone image and display the bone image on the GUI; 
 receive, via the GUI, a selection of a planning model corresponding to experience of a first historical user, the planning model based on recognized patterns in a collection of planned cases of the first historical user; 
 analyze the bone image of the patient to determine a set of characteristics of the bone image; 
 compare the set of characteristics of the bone image to bone characteristics of the collection of planned cases; and 
 generate a surgical plan comprising implant positioning data defined with respect to the bone image based on the set of characteristics of the bone image and the recognized patterns of the planning model corresponding to experience of the first historical user. 
   
     
     
         2 . The surgical planning system of  claim 1  wherein the implant positioning data comprise an implant image, wherein the planning software is further operative to select the implant image from a plurality of implant images based on the set of characteristics of the bone image and the recognized patterns of the planning model. 
     
     
         3 . The surgical planning system of  claim 1  wherein the planning software includes a plurality of planning models, each planning model corresponding to a different historical user. 
     
     
         4 . The surgical planning system of  claim 3  wherein the planning software is further operative to receive a selection of one or more planning models from the plurality of planning models or provide cutting instructions to direct a computer-assisted surgical device during formation of one or more cut surfaces on the bone for mounting an implant corresponding to the implant image on the one or more cut surfaces in a POSE corresponding to the POSE of the implant image POSED with respect to the bone image. 
     
     
         5 . (canceled) 
     
     
         6 . (canceled) 
     
     
         7 . The surgical planning system of  claim 1  further comprising a training computer operative to generate the planning model based on the collection of planned cases from the first historical user. 
     
     
         8 . The surgical planning system of any of  claim 7  wherein in generating the planning model, the training computer is operative to receive the collection of planned cases of the first historical user and utilize a machine learning model to recognize patterns in the collection of planned cases of the first historical user alone or in combination with generating an additional plurality of planning models each corresponding to experience of different historical users. 
     
     
         9 . (canceled) 
     
     
         10 . The surgical planning system of  claim 1  wherein the planning software is further operative to:
 receive, via the GUI, a selection of a second planning model corresponding to a second historical user, the planning model based on recognized patterns in a collection of planned cases of the second historical user; 
 compare the set of characteristics of the bone image to bone characteristics of the collection of planned cases of the second historical user; and 
 generate a second surgical plan comprising second implant positioning data defined with respect to the bone image based on the set of characteristics of the bone image and the recognized patterns of the second planning model corresponding to experience of the second historical user. 
 
     
     
         11 . The surgical planning system of  claim 10  wherein the second implant positioning data comprises the implant image or a second implant image, where the planning software is further operative to select the implant image or the second implant image from the plurality of implant images based on the set of characteristics of the bone image and the recognized patterns of the second planning model. 
     
     
         12 . The surgical planning system of  claim 10  wherein the automated planning software is further operative to display the surgical plan and the second surgical plan for comparison. 
     
     
         13 . The surgical planning system of  claim 1  wherein the GUI comprises a three-dimensional (3-D) view window with a rotatable view of the bone image. 
     
     
         14 . The surgical planning system of  claim 13  wherein the three-dimensional (3-D) view window covers the majority of an area of the GUI or the central region of the GUI. 
     
     
         15 . (canceled) 
     
     
         16 . The surgical planning system of  claim 13  wherein GUI further comprising at least one of additional window of view options window, a patient information window, an implant library window, a workflow-specific tasks window, a historical user selection window or a combination of any of the aforementioned. 
     
     
         17 . (canceled) 
     
     
         18 . The surgical planning system of  claim 13  wherein the GUI further comprises widgets to allow the user to change at least one of a view of the images, anatomical landmarks, or anatomical references alone or in combination with the GUI is configured to allow the user to annotate the images, annotate the patient information or otherwise revise the patient information, or a combination thereof. 
     
     
         19 . (canceled) 
     
     
         20 . The surgical planning system of  claim 16  wherein the implant library window is present and further comprises a drop-down menu to allow the user or planning software to select a particular implant from a library of implants alone, or in combination with the particular implant from the library of implants is displayed in the 3-D view window upon selection. 
     
     
         21 . (canceled) 
     
     
         22 . The surgical planning system of  claim 16  wherein the implant library window is present and further comprises widgets to provide several functions including at least guiding the user throughout different stages of the planning procedure, providing an option to select a coronal or rotational alignment goal from a set of alignment goals, providing tools to adjust the POSE of an implant image with respect to a bone image in desired clinical directions, displaying measured values of the alignment and position of the implant image with respect to the bone image, and displaying a summary of the surgical plan. 
     
     
         23 . A surgical planning system for planning a surgery based on experience of a historical user, the system comprising:
 a computer comprising a processor configured to execute planning software, the planning software operative to:
 receive a bone image; 
 receive a selection of a planning model corresponding to experience of a first historical user, the planning model based on recognized patterns in a collection of planned cases of the first historical user; 
 analyze the bone image to determine a set of characteristics of the bone image; 
 compare the set of characteristics of the bone image to bone characteristics of the collection of planned cases; and 
 generate a surgical plan comprising position and orientation (POSE) data for a planned POSE of an implant with respect to a bone based on the set of characteristics of the bone image and the recognized patterns in the planning model. 
   
     
     
         24 . The surgical planning system of  claim 23  wherein the implant positioning data defined with respect to the bone image comprises at least one of: (i) an implant image positioned and oriented (POSED) with respect to the bone image in the planned POSE; (ii) a POSE of one or more cut surfaces to be formed on remaining bone for mounting an implant thereon in the planned POSE; and/or (iii) clinical alignment data corresponding to the planned POSE. 
     
     
         25 . The surgical planning system of  claim 23  wherein the planning software includes a plurality of planning models, each planning model corresponding to a different historical user. 
     
     
         26 - 30 . (canceled) 
     
     
         31 . A computerized method for positioning an implant image relative to a bone image, comprising:
 providing a first planning model and a second planning model, wherein the first planning model is generated with machine learning using first historical planning data from a first historical user and the second planning model is generated with machine learning using second historical planning data from a second historical user;   receiving a selection of the first planning model or the second planning model; and   executing the selected first planning model or second planning model with an input comprising a bone image to automatically define implant positioning data with respect to the bone image.   
     
     
         32 . (canceled) 
     
     
         33 . (canceled)